Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David E. Henderson — 15 Patents

VTVlsi Technology: 6 patents #85 of 594Top 15%
PSProton Energy Systems: 2 patents #26 of 72Top 40%
FIFree-Flow Packaging International: 1 patents #22 of 28Top 80%
NCNuvera Fuel Cells: 1 patents #38 of 66Top 60%
NASA: 1 patents #1,837 of 3,881Top 50%
Darien, CT: #19 of 243 inventorsTop 8%
Connecticut: #2,943 of 34,797 inventorsTop 9%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
David E. Henderson has been granted 15 US patents while listed as an inventor at Vlsi Technology. The first was granted in 1984 and the most recent in February 2021. David E. Henderson ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list David E. Henderson in Darien, CT, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10923745 Systems and methods for fuel cell gas circulation Christopher Ainscough 2021-02-16
8777512 Vertically stackable and retrofittable traffic cone linking 2014-07-15
7452623 Electrochemical cell bipolar plate with sealing feature 2008-11-18
7378177 Electrochemical cell bipolar plate Greg Hanlon 2008-05-27 $577,000
6022265 Complementary material conditioning system for a chemical mechanical polishing machine Charles Franklin Drill, Calvin T. Gabriel, Milind Weling, Richard Russ 2000-02-08
6008130 Polymer adhesive plasma confinement ring Ian Robert Harvey 1999-12-28
5924585 Connections and methods of restricting an opening Daniel Thomas 1999-07-20
5752650 Shipping carton with flap holder for preventing spillage of packing material 1998-05-19
5653479 Vacuum seal for a ball junction 1997-08-05 $8,258,000
5382058 Rotatable flange union for use with vacuum systems 1995-01-17 $2,674,000
5240580 Conmag shield Ronney L. White, Forest P. Kreiss 1993-08-31 $6,705,000
4867346 Dispenser for reactive chemicals Robert L. Faye 1989-09-19
4725106 Reconfigurable work station for a video display unit and keyboard Nicholas L. Shields, Fred D. Roe, Mary F. Fagg 1988-02-16
4532093 Method and apparatus for the manufacture of molded packings Michael O'Malley, Mark J. Cable, James E. Hefferon 1985-07-30
4436214 Anti-theft picnic device 1984-03-13